New oxindole-bridged acceptors for organic sensitizers: Substitution and performance studies in dye-sensitized solar cells

Yogesh S. Tingare, Chaochin Su, Ming Tai Shen, Sheng Han Tsai, Shih Yu Ho, Wen Ren Li

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

New D-π-A configured organic sensitizers featuring halogen-substituted oxindole-bridged acceptor units have been synthesized for dye-sensitized solar cells applications. Among fluorine, bromine, and iodine substitution, the cell based on bromine incorporated dye exhibited the highest efficiency. The oxindoles in these sensitizers were found to assist the electron injection through the chelation of their amide carbonyl groups to the TiO2 surface. This study provides an alternate approach for future rational dye design to gain excellent DSSC performance.

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文章編號2159
期刊Molecules
25
發行號9
DOIs
出版狀態已出版 - 5月 2020

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